The synchronizing effect of slight oscillations of light intensity on activity period of birds Frans Krüll OriginalPaper Pages: 301 - 308
Action of photoperiod at cold in diapausing Chrysopa carnea females (Chrysopidae, Neuroptera) I. HodekA. Honěk OriginalPaper Pages: 309 - 311
Orthophosphate turnover in East African lakes Robert Henry PetersSally MacIntyre OriginalPaper Pages: 313 - 319
Partial arousals from hibernation in a pair of common dormice, Muscardinus avellanarius (Rodentia, Gliridae), in their natural hibernaculum Helge Walhovd OriginalPaper Pages: 321 - 330
Some consequences for a parasitic herbivore, the milkweed longhorn beetle, Tetraopes tetrophthalmus, of a host-plant shift from Asdepias syriaca to A. verticillata Peter W. PriceMary F. Willson OriginalPaper Pages: 331 - 340
Carbon isotope ratios of crassulacean acid metabolism species in relation to climate and phytosociology William G. EickmeierMargaret M. Bender OriginalPaper Pages: 341 - 347
A shortage of food for the terrestrial snail Helicella virgata in South Australia A. J. Butler OriginalPaper Pages: 349 - 371
Bird species diversity in forest understory: Analysis of mist-net samples Mary F. WillsonDavid J. Moriarty OriginalPaper Pages: 373 - 379